Discusses the use of a computer program designed to solve the mathematical model associated with soil nutrient uptake by plant roots and to predict the nutrient uptake. Describes a user-friendly personal computer version of this program. (TW)

Activities, experiments, computer programs, equipment, procedures, demonstrations, and teaching techniques are provided for a wide variety of topics in the biological and physical sciences. They include an improved apparatus for measuring rate of photosynthesis, procedures for making rainbows and measuring stomatal openings, and others. (JN)

The Sunflower/Girasol program is a Spanish/English bilingual science discovery program for Hispanic children in grades 2-6, designed to improve science instruction and educational opportunity for this group. The report describes the program's proposed activities and products, progress to date, and results of an evaluation of the first two units of…

This document summarizes the findings of the Learning through Evaluation, Adaptation and Dissemination (LEAD) Center's report on the team approach to the first research experience for undergraduates in botany and zoology. Students (N=25) and faculty (N=12) were interviewed and a comparison was made between students who performed the research in…

Ranger Rick's NatureScope is a creative education series dedicated to inspiring in children an understanding and appreciation of the natural world while developing the skills they will need to make responsible decisions about the environment. The topic of this issue is "Wading into Wetlands." Contents are organized into the following…

Describes a partnership project between a school and the local community that aimed at transforming the school campus into a beautiful multipurpose area that serves the entire community. Provides students with an in-depth integrated study of plants and gardening and increases awareness of ecological conservation and environmental interactions.…

Describes a primarily volunteer project that was developed with private industry to contribute to the research on space-grown vegetables and to promote science as a career. Focuses on the effects of microgravity and space travel on the germination and growth of plants. (DDR)

Outlined is a specific computer application which can be used to analyze data on plant community composition from the point quarter sampling method. Procedures, examples of spreadsheets prepared in this manner, and evaluation of the activity are presented. (CW)

Described is a simple test which uses micro- and macro-observations of onion root tips to demonstrate mutagenic and other toxic effects of various contaminants. Discussed are materials, methods, microscopic procedures, and applications of this activity. (CW)

Described is an activity in which a computer is used to acquire temperature and humidity data useful in investigating transpiration in plants. Materials and procedures are discussed and examples of results are presented. Factors which influence the rate of transpiration are discussed. (CW)

Presented are 12 biology experiments suitable for use in intermediate grade classrooms. Topics include plants, protists, fungi, animals, and osmosis. Provided are objectives, lists of materials, procedures, results, and explanations of the results. (CW)

Describes activities which demonstrate the abundance of organisms living underground. Provides outlined directions, lists of materials, and a soil ecosystem transparency for delving into the properties of soil. (RT)

Presents techniques used for disinfestation of plant material, preparation of equipment and media, and laboratory procedures for tissue culture using cauliflower. Details methods for preparing solutions and plant propagation by cloning. (CW)

A springtime forest probably contains over 100 shades of green. Describes outdoor observation activities that let the children monitor tree and plant growth. (PR)

Primary students at one Hawaiian elementary school learn science through direct experience, gaining firsthand knowledge from their gardens and fieldwork. The article describes a garden project involving students and parents. The project, which was originally intended to teach students about plants, actually expanded their knowledge in a variety of…